Question # 1

6 is

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A prime integar

An irrational number

A rational number

An odd integer

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2x

3x²

1

0

A triangle has ____ elements

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3

4

5

6

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Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t. to addition

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7²ⁿ+ 3^n-1. 2^3n-3is divisible by

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24

25

9

13

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a = -1/2, b = -1

a = 1, b = 2

a = 2, b = 3

None of above

If p and q are two statements then their conjunction is denoted by

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Multiplying each side of an inequality by (-1) will:

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Not effect

Change the sign

Become zero

Not defined

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none of these

120° degrees are equal to how many radians?

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The nth term of an A.P., is 12-4n. Its common difference is

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8

4

16

The measure of the acute angle between the lines represented by x2 -xy -6y2 =0 is

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120°

30°

130°

45°

A relation in which the equality is true for all values of the unknown is called ______

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An identity

An equation

A polynomial

None of these

If the equation x2+2x-3=0 and x2+3x-k=0 have a common root then the non - zero value of k is

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1

3

2

4

If Sn is a definite number as n → ∞,then the geometric series is

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Convergent

Divergent

Oscillatroy

None of these

In (x +iy) y is called as

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Imaginary part

Complex number

Real part

None of above

(2.02)4 s equal to

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16

16.6496

17

18

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The eccentricity of the parabola y²= -8x is

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-2

2

-1

1

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If the angle of a triangle are in the ratio 2 : 3 : 7, the triangle is

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Obtuse

Acute

Right angle

Isosceles

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The angle of depression of a point situated at a distance of 70 meters from the base of a tower is 45°. The height of the tower is

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70 m

85 m

35 m

None of these

Which of the following function form 1 to itself are bi-jective

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F(x) = x + 3

F(x) = x⁵

F(x) = 3x + 2

F(x) = x²+ x

What is the value of cos (cos-1 2) ?

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√2

1/2

undefine

0

If w is a cube root of unity then 1 + w + w²= ______

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1

2

0

-1

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The line 2x +√6y =2 is a tangent to the curve x2 -2y2 =4 The point of contact is

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(√6,1)

(2,3)

(7,-2√6)

(4,-√6)

The vertex of the parabola (xsin a -ycos a)2 =4a(xcos a +ysin a) lies at

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(acos a,asin a)

(a,0)

(cos a,sin a)

(0,0)

The expansion (1 + x)^-3holds when

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|x| > 1

|x| < 1

x < 1

x > 1

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